Astronomers used Chandra X-ray Observatory data to explore a cosmic “cold front” hurtling through the Perseus galaxy cluster that extends for about two million light years, or about 10 billion billion miles.
Read next
From @shuvomallick
Astronomers used Chandra X-ray Observatory data to explore a cosmic “cold front” hurtling through the Perseus galaxy cluster that extends for about two million light years, or about 10 billion billion miles.